Home / 298,389.50-447,579.84-73,749.95

Finding the Fourth Proportional to 298,389.50, 447,579.84 and 73,749.95

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Solution

The fourth proportional to 298,389.50, 447,579.84 and 73,749.95 is: 110,623.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,389.50 : 447,579.84 = 73,749.95 : x
  2. Step 2: Convert to fraction form
    298,389.50/447,579.84 = 73,749.95/x
  3. Step 3: Cross multiply
    298,389.50x = 447,579.84 × 73,749.95
  4. Step 4: Simplify right side
    298,389.50x = 33,008,991,939.96
  5. Step 5: Solve for x
    x = 33,008,991,939.96/298,389.50
  6. Step 6: Final answer
    x = 110,623.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.